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(No Model.) 4 A. BONNIOL.

ENGRAVEES TOOL OR SGRAPER. V No. 366.297. Patented July 12, 1887.

WITNESSES '.|NVENTOR (0w W Adaz h/Bonm b.

UNITED STATES PATENT OFFICE.

ADOLPH BONNIOL, OF PROVIDENCE, RHODE ISLAND.

ENGRAVERS TOOL OR SCRAPER.

SPECIFICATION forming part of Letters Patent No, 366,297, dated July 12, 1887,

Application filed February 16, 1887. Serial No. 227,771.

(No model.)

the county of Providence and State of Rhode- Island, have invented certain new and useful Improvements in Scrapers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use thesame, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.

This invention relates to that class of en gravers tools known as scrapers, to be used for smoothing off the ragged edge or burr of the lines in an engravers plate, the object being to provide a cheap, durable, convenient, and useful tool, and one that requires but little grinding to sharpen it.

The invention consists in an improved engravers tool, and in the arrangements and combinations of parts, substantially as will be hereinafter set forth, and finally embodied in the clauses of the claims.

Referring to the accompanying drawings, in which like letters represent corresponding parts in each of the several figures, Figure 1 isa front view of my improved tool, showing a novel arrangement of cuttingedges therein. Fig. 2 is a transverse vertical section through line as, Fig. 1; and Fig. 3 is a vertical transverse section of a modification.

In said drawings, A indicates the point or forward cutting-edge of the scraper, and has the ordinary configuration shown in similar tools.

B is a side cutting-edge, and is adapted to take off the feather-edge of engraved lines, &-c., left by the etohingneedle or other engravers tool. In some cases it may be more convenient to use the edge 0 for the same purposes, as in the ordinary scraper.

Said tool is provided with a longitudinal groove, D, having the configuration. shown to provide an under-cut edge, as B, and leave a thin edge, as C, so that the same may be easily sharpened, as will be understood. The eiid E of the tool is drawn down so as to provide a suitable shank, such as is found in ordinary U files, 850., to be introduced into a handle.

Said tool may be cast or rolled in shape, or forged or cut from steel without in any way departing from the spirit or scope of my in- Vention.

Having thus fully described my invention,

In testimony that I claim the foregoing I have hereunto set myhand this 12th day of February, 1887.

ADOLPH BONNIOL.

Witnesses:

THOMAS A. J ENOKES, SAMUEL S. STONE, 

